Lt. Corey MacDonald, a Maritime Warfare Officer in the Royal Australian Navy and Seaman Christopher Sappey, a member of deck department on Coast Guard Cutter Polar Star (WAGB 10), laugh on the bridge in the Pacific Ocean, Dec. 15, 2022. The Polar Star encountered turbulent seas while transiting to Antarctica in support of Operation Deep Freeze 2023. Operation Deep Freeze is the logistical support provided by the Department of Defense to the National Science Foundation-managed U.S. Antarctic Program. (U.S. Coast Guard photo by Petty Officer 3rd Class Aidan Cooney)